text: /*
   * netlink/route/classifier-modules.h   Classifier Module API
   *
   *	This library is free software; you can redistribute it and/or
   *	modify it under the terms of the GNU Lesser General Public
   *	License as published by the Free Software Foundation version 2.1
   *	of the License.
   *
   * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
   */
  
  #ifndef NETLINK_CLASS_MODULES_H_
  #define NETLINK_CLASS_MODULES_H_
  
  #include <netlink/netlink.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * Classifier operations
   * @ingroup cls_api
   */
  struct rtnl_cls_ops
  {
  	/**
  	 * Name of classifier module
  	 */
  	char co_kind[32];
  
  
  	/**
  	 * Size of private classifier data
  	 */
  	size_t co_size;
  
  	/**
  	 * Dump callbacks
  	 */
  	void (*co_dump[NL_DUMP_MAX+1])(struct rtnl_cls *,
  				       struct nl_dump_params *);
  	/**
  	 * Must return the contents supposed to be in TCA_OPTIONS
  	 */
  	int (*co_get_opts)(struct rtnl_cls *, struct nl_msg *);
  
  	/**
  	 * TCA_OPTIONS message parser
  	 */
  	int (*co_msg_parser)(struct rtnl_cls *);
  
  	/**
  	 * Called before a class object gets destroyed
  	 */
  	void (*co_free_data)(struct rtnl_cls *);
  
  	/**
  	 * Called whenever a classifier object needs to be cloned
  	 */
  	int (*co_clone)(struct rtnl_cls *, struct rtnl_cls *);
  
  	/**
  	 * INTERNAL (Do not use)
  	 */
  	struct rtnl_cls_ops *co_next;
  };
  
  extern int 			rtnl_cls_register(struct rtnl_cls_ops *);
  extern int 			rtnl_cls_unregister(struct rtnl_cls_ops *);
  extern struct rtnl_cls_ops *	rtnl_cls_lookup_ops(struct rtnl_cls *);
  extern struct rtnl_cls_ops *	__rtnl_cls_lookup_ops(const char *kind);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  